document.write( "Question 829647: Two sisters leave their house at the same time, and walk in opposite directions. In 5 hours they are exactly 30 miles apart. Find their speeds given that the older sister travels twice as fast as the younger? \n" ); document.write( "
Algebra.Com's Answer #499985 by richwmiller(17219)\"\" \"About 
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5x+5*2x=30
\n" ); document.write( "5*3x=30
\n" ); document.write( "5x=10
\n" ); document.write( "x=2 younger
\n" ); document.write( "2x=4 older\r
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